Feat: Add translation text to the prompt word of the generate operator to distinguish it from the prompt word of the knowledge base #6934 (#6935)

### What problem does this PR solve?

Feat: Add translation text to the prompt word of the generate operator
to distinguish it from the prompt word of the knowledge base #6934

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/locales/en.ts

@@ -1247,6 +1247,10 @@ This delimiter is used to split the input text into several text pieces echo of
         knowledge: 'knowledge',
         chat: 'chat',
       },
+      prompt: 'Prompt',
+      promptTip:
+        'Use the system prompt to describe the task for the LLM, specify how it should respond, and outline other miscellaneous requirements. The system prompt is often used in conjunction with keys (variables), which serve as various data inputs for the LLM. Use a forward slash `/` or the (x) button to show the keys to use.',
+      promptMessage: 'Prompt is required',
     },
   },
 };